Gear

astro 6.28.2007

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got new motorized focuser today. Finally got a purple focuser from Moonlite! cool. The software took a little monkeying around to get it installed, and I’m still trying to figure out how […]

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Astro knowledge / Solar System Photography

Animation of Moon at 7 to 10 days

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Moon at 7 to 10 days. Shot on 4 consecutive days from June 22 through June 25, 2007. Here’s what I have so far on my “all phases of the moon” project. […]

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Solar System Photography

Moon at 9 days (1st quarter +2)

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Moon at 9 days (1st quarter +2). Decided to try 1/1600th instead of 1/400th now that the moon’s a little brighter. Might be good in a couple of days; should have used […]

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Solar System Photography

Moon at 8 days (1st quarter +1)

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Moon at 8 days (1st quarter +1). Interesting to compare yesterday’s shot to today and to see how much the moon changes from night to night. 2 down, 27 to go.

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Solar System Photography

Moon at 7 days (1st quarter)

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Moon at 7 days (1st quarter). I don’t take enough photos of the moon. It’s particularly easy with the DSLR. I have it in the back of my mind that I’m going […]

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Techniques

Polar Alignment Calculations

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Here’s a page that derives Polar Alignment Calculations. (update 5/2020: the original site is gone, so I found the text on Wayback and am inserting it below. This is by the original […]

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Gear / Observatory / Telescope

Special Guest Star takes the mount at Hilltop O

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The Astro Jedi needed somewhere to store his light sab—- I mean, bucket, and I was only too happy to accommodate him. I have decided that I need to come to a […]

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General / Maintenance / Observatory

Dome shutter is motorized again!

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I finally decided to bite the bullet and fix the shutter motor. Things went sideways last winter, and I’ve been opening the shutter manually (and tying it shut with rope, so we […]

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ATM

Trixie 2017 – tube mods

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I finally got around to cutting the MTA-UTA tubes to length; the only eyepiece that would come to focus with the focuser spacer in place is the Televue 55mm Plossl. If I […]

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